基于ARM开发板实现电子相册以及音乐播放器_基于开发板的电子相册

电子相册功能：滑动切换、自动播放、无操作自动播放

音乐播放器：上下首、播放、停止、音乐播放过程实时调节音量（alsa库） 

1. 对文件夹里文件类型的检测

struct input_event ts;//触摸屏结构体
typedef struct lian
{
	char* date;
	struct lian* next;
	struct lian* to;
}pnode;
pnode* p;
int fd,f;//屏幕，触摸屏
//初始化
pnode* chu()
{
	pnode* p;
	p=(pnode*)malloc(sizeof(pnode));
	if(p==NULL)
	{
	printf("创建失败\n");
	return NULL;
	}
	p->date="1";
	p->next=p->to=NULL;
	return p;
}
//创建节点
pnode* jie(char* ch)
{
	pnode* h;
	h=(pnode*)malloc(sizeof(pnode));
	h->date=(char*)malloc(strlen(ch)+1);
	strcpy(h->date,ch);
	h->next=NULL;
	h->to=NULL;
	return h;	
}
//插入
void cha(pnode* p,char* ch)
{
	pnode* hp;
	pnode* s;
	hp=p;
	s=jie(ch);
 
	while(hp->next!=NULL)
	{
	hp=hp->next;
	}
	s->next=hp->next;
	s->to=hp;
	hp->next=s;
}
//便利
void bian(pnode* p)
{
	pnode* hnode;
	hnode=p->next;
	while(hnode!=NULL)
	{
	printf("%s\n",hnode->date);
	hnode=hnode->next;
	}
}
//文件
int file_s(char* ch,pnode* p)
{
 
	char* k;
	k=strrchr(ch,'.');
	if(k==NULL)
	return -1;
	
	if(strcmp(k,".bmp")==0||strcmp(k,".jpeg")==0||strcmp(k,".jpg")==0||strcmp(k,".mp3")==0)
	{
	cha(p,ch);
	
	}
	return 0;
}
 
//文件夹
int dir_s(char* ch,pnode* p)
{
	char src[N];
	DIR* d;
	d=opendir(ch);
	if(d==NULL)
	{
	printf("文件夹打开失败\n");
	return -1;
	}
	struct dirent* di=NULL;
	while(di=readdir(d))
	{
	if(strncmp(di->d_name,".",1)==0)
	continue;
	memset(src,0,sizeof(N));
	sprintf(src,"%s/%s",ch,di->d_name);
	if(di->d_type==DT_DIR)
	{
	dir_s(src,p);
	}
	else
	{
	file_s(src,p);
	}
	}
	closedir(d);
	return 0;
}
//检测文件类型
int jian_dir(char* jia,pnode* p)
{
	struct stat st;
	stat(jia,&st);//获取文件信息
	if(S_ISDIR(st.st_mode))
	{
	printf("文件夹\n");
	dir_s(jia,p);
	}
	else
	{
	printf("文件\n");
	file_s(jia,p);
	}
	return 0;
}

电子相册

//触摸屏点击
void get_dian(int* x,int* y)
{
	while(1)
	{
	read(f,&ts,sizeof(struct input_event));
	if(ts.type==3&&ts.code==0)
	*x=ts.value;
	if(ts.type==3&&ts.code==1)
	*y=ts.value;
	if(ts.type==3&&ts.code==ABS_PRESSURE&&ts.value==0)
	{
	printf("%d   %d",*x,*y);
	break;
	}
	}
}
//触摸屏左右滑
int get_xy(int* x1,int* y1,int* x2,int* y2)
{
	int cnt=0;
	while(1)
	{
	read(f,&ts,sizeof(struct input_event));
	if(ts.type==3&&ts.code==0&&cnt==0)
	*x1=ts.value;
	if(ts.type==3&&ts.code==1&&cnt==0)
	{
	*y1=ts.value;
	cnt=1;
	}
 
	if(ts.type==3&&ts.code==0&&cnt==1)
	*x2=ts.value;
	if(ts.type==3&&ts.code==1&&cnt==1)
	{
	*y2=ts.value;
	}
	if(ts.type==3&&ts.code==ABS_PRESSURE&&ts.value==0)
	{
	break;
	}
	}
	return 0;
}
//自动播放函数
void* zi()
{
	printf("开始自动播放\n");
	char* j;
	int dpan;
	zshi=1;
	if(p->next==NULL)
	{
	printf("已是最后一张\n");
	return NULL;
	}
	while(p->next!=NULL)
	{
	
	if(nao==1)
	{
	bmp_s("./fan.bmp",0,0);
	zshi=0;
	nao=0;
	break;
	}
	sleep(2);
	p=p->next;
	j=strrchr(p->date,'.');
	if(strcmp(j,".bmp")==0)
	{
	printf("打开bmp\n");
	sleep(2);
	if(nao==1)
	{
	zshi=0;
	nao=0;
	break;
	}
	bai();
	bmp_s(p->date,0,0);
	}
	else if(strcmp(j,".jpg")==0)
	{
	sleep(2);
	if(nao==1)
	{
	zshi=0;
	nao=0;
	break;
	}
	bai();
	jpeg_s(p->date);
	}
	}
	printf("退出自动播放\n");
	bmp_s("./fan.bmp",0,0);
	zshi=0;
 
}
//定时器处理函数
void sig()
{
	printf("判定\n");
	if(nao==0&&zshi==0)
	{
	zi();
	}
	else if(nao==1)
	{
	nao=0;
	}
	printf("nao=%d\n",nao);
}
//定时器
void* ding_s()
{	
	printf("定时器生成\n");
	//int ret;
	//dx=pthread_self();
	while(1)
	{
	signal(SIGALRM,sig);
	alarm(5);
	sleep(5);
	}
}
//图片左右滑动切换
int qie(pnode** p)
{	
	bai();
	pthread_t zd;//自动播放线程
	char* jk;
	if((*p)->date=="1")
	*p=(*p)->next;
	jk=strrchr((*p)->date,'.');
	if(strcmp(jk,".bmp")==0)
	{
	bmp_s((*p)->date,0,0);
	bmp_s("./fan.bmp",0,0);
	}
	else
	{
	jpeg_s((*p)->date);
	bmp_s("./fan.bmp",0,0);
	}
	//注册定时器
	pthread_create(&dx,NULL,ding_s,NULL);
	while(1)
	{
	get_xy(&hx1,&hy1,&hx2,&hy2);
	nao=1;
	printf("hx1=%d  hx2=%d  hy1=%d  hy2=%d\n",hx1,hx2,hy1,hy2);
	if(hy1-hy2>=150&&(hx1-hx2>=-30||hx1-hx2<=30))
	{
	nao=0;
	pthread_create(&zd,NULL,zi,NULL);
	//zi(p);
	}
	if(hy1-hy2<=-150)
	{
	break;
	}
	if(hx1>0&&hx1<80&&hy1>0&&hy1<80)
	{
	break;
	}
	if(hx1<hx2)
	{
	
	if((*p)->to==NULL||(*p)->to->date=="1")
	{
	printf("已是第一张图片\n");
	continue;
	}
	printf("上一张\n");
	(*p)=(*p)->to;
	jk=strrchr((*p)->date,'.');
	if(strcmp(jk,".bmp")==0)
	{
	bai();
	bmp_s((*p)->date,0,0);
	bmp_s("./fan.bmp",0,0);
	}
	else 
	{
	bai();
	jpeg_s((*p)->date);
	bmp_s("./fan.bmp",0,0);
	}
	}
	
	
	else if(hx1>hx2)
	{
	if((*p)->next==NULL)
	{
	printf("已是最后一张\n");
	continue;
	}
	printf("下一张\n");
	*p=(*p)->next;
	jk=strrchr((*p)->date,'.');
	if(strcmp(jk,".bmp")==0)
	{
	bai();
	bmp_s((*p)->date,0,0);
	bmp_s("./fan.bmp",0,0);
	}
	else 
	{
	bai();
	jpeg_s((*p)->date);
	bmp_s("./fan.bmp",0,0);
	}
	}
	}
	pthread_cancel(dx);
	return 0;
}

音乐播放器

//混音器
void volume1(int vol)
{
	snd_mixer_t* mixer;
	snd_mixer_selem_id_t* sid;
	snd_mixer_elem_t* elem;
	long min,max,volume;
	int err;
	//打开设备
	err=snd_mixer_open(&mixer,0);
	if(err<0)
	{
	printf("打开失败\n");
	exit(1);
	}
	//打开默认的混音器控制器
	err=snd_mixer_attach(mixer,"default");
	if(err<0)
	{
	printf("打开控制器失败\n");
	snd_mixer_close(mixer);
	exit(1);
	}
	//加载混音器控制器
	err=snd_mixer_load(mixer);
	if(err<0)
	{
	printf("加载失败\n");
	snd_mixer_close(mixer);
	exit(1);
	}
	//获取控制器元素
	snd_mixer_selem_id_alloca(&sid);
	snd_mixer_selem_id_set_index(sid,0);
	snd_mixer_selem_id_set_name(sid,"Master");
	elem=snd_mixer_find_selem(mixer,sid);
	if(!elem)
	{
	printf("获取元素失败\n");
	snd_mixer_close(mixer);
	exit(1);
	}
	//获取音量范围
	snd_mixer_selem_get_playback_volume_range(elem,&min,&max);
	//设置音量
	volume=(vol*max)/100;
	snd_mixer_selem_set_playback_volume_all(elem,volume);
	snd_mixer_close(mixer);
}
//播放器
void bo(pnode** mp,char* m,pnode* mm)
{
	bmp_s("./bao.bmp",0,0);
	int x2,y2;
	int i=0;
	char mh[1024]={0};
	if(boqi==0)
	{
	system("madplay music/*.mp3 -z &");
	boqi=1;
	}
	*mp=(*mp)->next;
	while(1)
	{
	get_dian(&x2,&y2);
	//播放
	if(x2>236&&x2<316&&y2>400&&y2<473)
	{
	system("killall -CONT madplay &");
	}
	//暂停
	if(x2>707&&x2<792&&y2>400&&y2<476)
	{
	system("killall -STOP madplay &");
	}
	//上一首
	else if(x2>23&&x2<78&&y2>402&&y2<469)
	{
	if((*mp)->to==NULL||(*mp)->to->date=="1")
	{
	printf("已是第一首\n");
	}
	else 
	{
	bzero(mh,sizeof(mh));
	(*mp)=(*mp)->to;
	sprintf(mh,"killall madplay && madplay -z %s &",(*mp)->date);
	system(mh);
	}
	}
	//下一首
	else if(x2>146&&x2<204&&y2>400&&y2<467)
	{
	
	if((*mp)->next==NULL)
	{
	printf("已是最后一首\n");
	}
	else
	{
	system("killall -9 madplay &");
	usleep(10000);
	bzero(mh,sizeof(mh));
	(*mp)=(*mp)->next;
	sprintf(mh,"madplay %s &",(*mp)->date);
	system(mh);
	}
	}
	//加音量
	else if(x2>403&&x2<477&&y2>400&&y2<471)
	{
	vol+=5;
	printf("加音量\n");
	volume1(vol);
	}
	//减音量
	else if(x2>557&&x2<634&&y2>396&&y2<471)
	{
	vol-=5;
	printf("减音量\n");
	volume1(vol);
	}
	//退出音乐界面
	else if(x2>0&&x2<80&&y2>0&&y2<80)
	{
	break;
	}
	//关闭退出
	else if(x2>696&&x2<800&&y2>0&&y2<102)
	{
	boqi=0;
	system("killall -9 madplay &");
	break;
	}
	
	}
}

源码（C语言）：

#include<stdio.h>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<linux/input.h>
#include<sys/types.h>
#include<sys/stat.h>
#include<fcntl.h>
#include<sys/mman.h>
#include<unistd.h>
#include<signal.h>
#include<dirent.h>
#include<errno.h>
#include<sys/ioctl.h>
#include<linux/ioctl.h>
#include<sys/soundcard.h>
#include<alsa/asoundlib.h>
#include<signal.h>
#include<pthread.h>
#include"jpeglib.h"
#define N 10000
pthread_t dx;
int f;
int hx1,hx2,hy1,hy2;
int boqi=0;
int vol=50;
int nao=0,zshi=0;
struct input_event ts;//触摸屏结构体
typedef struct lian
{
	char* date;
	struct lian* next;
	struct lian* to;
}pnode;
pnode* p;
int fd,f;//屏幕，触摸屏
//初始化
pnode* chu()
{
	pnode* p;
	p=(pnode*)malloc(sizeof(pnode));
	if(p==NULL)
	{
	printf("创建失败\n");
	return NULL;
	}
	p->date="1";
	p->next=p->to=NULL;
	return p;
}
//创建节点
pnode* jie(char* ch)
{
	pnode* h;
	h=(pnode*)malloc(sizeof(pnode));
	h->date=(char*)malloc(strlen(ch)+1);
	strcpy(h->date,ch);
	h->next=NULL;
	h->to=NULL;
	return h;	
}
//插入
void cha(pnode* p,char* ch)
{
	pnode* hp;
	pnode* s;
	hp=p;
	s=jie(ch);
 
	while(hp->next!=NULL)
	{
	hp=hp->next;
	}
	s->next=hp->next;
	s->to=hp;
	hp->next=s;
}
//便利
void bian(pnode* p)
{
	pnode* hnode;
	hnode=p->next;
	while(hnode!=NULL)
	{
	printf("%s\n",hnode->date);
	hnode=hnode->next;
	}
}
//全白
void bai()
{
	int* m_p;
	m_p=(int*)mmap(NULL,800*480*4,PROT_READ|PROT_WRITE,MAP_SHARED,fd,0);
	int i;
	for(i=0;i<800*480;i++)
	*(m_p+i)=0xffffffff;
	munmap(m_p,800*480*4);
	return ;	
}
//混音器
void volume1(int vol)
{
	snd_mixer_t* mixer;
	snd_mixer_selem_id_t* sid;
	snd_mixer_elem_t* elem;
	long min,max,volume;
	int err;
	//打开设备
	err=snd_mixer_open(&mixer,0);
	if(err<0)
	{
	printf("打开失败\n");
	exit(1);
	}
	//打开默认的混音器控制器
	err=snd_mixer_attach(mixer,"default");
	if(err<0)
	{
	printf("打开控制器失败\n");
	snd_mixer_close(mixer);
	exit(1);
	}
	//加载混音器控制器
	err=snd_mixer_load(mixer);
	if(err<0)
	{
	printf("加载失败\n");
	snd_mixer_close(mixer);
	exit(1);
	}
	//获取控制器元素
	snd_mixer_selem_id_alloca(&sid);
	snd_mixer_selem_id_set_index(sid,0);
	snd_mixer_selem_id_set_name(sid,"Master");
	elem=snd_mixer_find_selem(mixer,sid);
	if(!elem)
	{
	printf("获取元素失败\n");
	snd_mixer_close(mixer);
	exit(1);
	}
	//获取音量范围
	snd_mixer_selem_get_playback_volume_range(elem,&min,&max);
	//设置音量
	volume=(vol*max)/100;
	snd_mixer_selem_set_playback_volume_all(elem,volume);
	snd_mixer_close(mixer);
}
//音量函数
void volume(int vols)
{
	int MIX_fd;//文件描述符
	int iLeft=vols;//左声道
	int iRight=vols;//右声道
	int Lev;
	Lev=(iRight<<8)+iLeft;
	printf("%d\n",Lev);
	MIX_fd=open("/dev/mixer",O_RDWR);//打开混音器
	if(MIX_fd==-1)
	{
	printf("打开混音器失败\n");
	exit(1);
	}
	//设置
	if(ioctl(MIX_fd,MIXER_WRITE(SOUND_MIXER_VOLUME),&Lev)==-1)
	{
	printf("设置失败\n");
	exit(1);
	}
	
	//读取
	if(ioctl(MIX_fd,MIXER_READ(SOUND_MIXER_VOLUME),&Lev)==-1)
	{
	printf("读取失败\n");
	exit(1);
	}
	close(MIX_fd);
}
//文件
int file_s(char* ch,pnode* p)
{
 
	char* k;
	k=strrchr(ch,'.');
	if(k==NULL)
	return -1;
	
	if(strcmp(k,".bmp")==0||strcmp(k,".jpeg")==0||strcmp(k,".jpg")==0||strcmp(k,".mp3")==0)
	{
	cha(p,ch);
	
	}
	return 0;
}
 
//文件夹
int dir_s(char* ch,pnode* p)
{
	char src[N];
	DIR* d;
	d=opendir(ch);
	if(d==NULL)
	{
	printf("文件夹打开失败\n");
	return -1;
	}
	struct dirent* di=NULL;
	while(di=readdir(d))
	{
	if(strncmp(di->d_name,".",1)==0)
	continue;
	memset(src,0,sizeof(N));
	sprintf(src,"%s/%s",ch,di->d_name);
	if(di->d_type==DT_DIR)
	{
	dir_s(src,p);
	}
	else
	{
	file_s(src,p);
	}
	}
	closedir(d);
	return 0;
}
//检测文件类型
int jian_dir(char* jia,pnode* p)
{
	struct stat st;
	stat(jia,&st);//获取文件信息
	if(S_ISDIR(st.st_mode))
	{
	printf("文件夹\n");
	dir_s(jia,p);
	}
	else
	{
	printf("文件\n");
	file_s(jia,p);
	}
	return 0;
}
//bmp图片
int bmp_s(char* ch,int x,int y)
{
	
 
	int b,w,h;
	int * m_p;
	char* b_p;
	b=open(ch,O_RDWR);
	if(b==-1)
	{
	perror("open error");
	return -1;
	}
	lseek(b,18,SEEK_SET);
	read(b,&w,4);
	
	lseek(b,22,SEEK_SET);
	read(b,&h,4);
	//printf("w=%d h=%d\n",w,h);
	//映射屏幕
	m_p=(int *)mmap(NULL,800*480*4,PROT_READ|PROT_WRITE|PROT_EXEC,MAP_SHARED,fd,0);
	
	//映射图片
	b_p=(char*)mmap(NULL,w*h*3+54,PROT_READ|PROT_WRITE,MAP_SHARED,b,0);
	int i,j;
	int bm[w*h];
	for(i=0;i<w*h;i++)
	{
	bm[i]=*(b_p+54+3*i+0)|*(b_p+54+3*i+1)<<8|*(b_p+54+3*i+2)<<16;
	}
	//颠倒
	for(i=0;i<h;i++)
	{
	if(i+y<0)
	continue;
	if(i+y>=480||i+y==(h+y))
	break;
	for(j=0;j<w;j++)
	{
	if(j+x<0)
	continue;
	if(j+x>=800||j+x==(w+x))
	break;
	*(m_p+(y+i)*800+j+x)=bm[(h-1-i)*w+j];
	}
	}
	munmap(m_p,800*480*4);
	munmap(b_p,w*h*3+54);
	close(b);
	return 0;
}
//jpeg图片
//jpeg图片
int jpeg_s(char* che)
{
	
	FILE* j;
	int i;
	unsigned char* buf;
	int (*j_mp)[800];
	//屏幕映射
	j_mp=(int (*)[800])mmap(NULL,800*480*4,PROT_READ|PROT_WRITE,MAP_SHARED,fd,0);
	struct jpeg_decompress_struct jp;
	struct jpeg_error_mgr jer;
	
	jp.err=jpeg_std_error(&jer);
	jpeg_create_decompress(&jp);
	
	j=fopen(che,"rb");
	if(j==NULL)
	{
	printf("无法打开\n");
	return -1;
	}
	jpeg_stdio_src(&jp,j);
	
	jpeg_read_header(&jp,TRUE);
	//设置
	jp.scale_num=1;
	jp.scale_denom=1;
	jp.out_color_space=JCS_RGB;
	jpeg_start_decompress(&jp);
	buf=(unsigned char*)malloc(jp.output_width*jp.output_components);
	int kk[jp.output_width][jp.output_height];
	while(jp.output_height>jp.output_scanline)
	{
	memset(buf,0,sizeof(buf));
	jpeg_read_scanlines(&jp,&buf,1);
	for(i=0;i<jp.output_width;i++)
	{
	kk[jp.output_scanline-1][i]=*(buf+3*i+0)<<16|*(buf+3*i+1)<<8|*(buf+3*i+2);
	}
	if(jp.output_scanline-1<480&&jp.output_height>(jp.output_scanline-1))
	{
	for(i=0;i<jp.output_width&&i<800;i++)
	j_mp[jp.output_scanline-1][i]=kk[jp.output_scanline-1][i];
	}
	}
	jpeg_finish_decompress(&jp);
	jpeg_destroy_decompress(&jp);
	munmap(j_mp,480*800*4);
	fclose(j);
	return 0;
	
}
//检测链表的mp3文件，然后进行图片的映射
void mp3_s(pnode* mp,pnode* bmp_m)
{
	char mp_s[100];
	int x=0,y=80;
	while(mp->next!=NULL)
	{
	bzero(mp_s,sizeof(mp_s));
	mp=mp->next;
	int len=strlen(mp->date)-4;
	strncpy(mp_s,mp->date,len);
	printf("%s\n",mp_s);
	while(bmp_m->next!=NULL)
	{
	y+=45;
	bmp_m=bmp_m->next;
	if(strncmp(mp_s,bmp_m->date,len)==0)
	{
	bmp_s(bmp_m->date,x,y);
	}
	}
	}
}
//触摸屏点击
void get_dian(int* x,int* y)
{
	while(1)
	{
	read(f,&ts,sizeof(struct input_event));
	if(ts.type==3&&ts.code==0)
	*x=ts.value;
	if(ts.type==3&&ts.code==1)
	*y=ts.value;
	if(ts.type==3&&ts.code==ABS_PRESSURE&&ts.value==0)
	{
	printf("%d   %d",*x,*y);
	break;
	}
	}
}
//触摸屏左右滑
int get_xy(int* x1,int* y1,int* x2,int* y2)
{
	int cnt=0;
	while(1)
	{
	read(f,&ts,sizeof(struct input_event));
	if(ts.type==3&&ts.code==0&&cnt==0)
	*x1=ts.value;
	if(ts.type==3&&ts.code==1&&cnt==0)
	{
	*y1=ts.value;
	cnt=1;
	}
 
	if(ts.type==3&&ts.code==0&&cnt==1)
	*x2=ts.value;
	if(ts.type==3&&ts.code==1&&cnt==1)
	{
	*y2=ts.value;
	}
	if(ts.type==3&&ts.code==ABS_PRESSURE&&ts.value==0)
	{
	break;
	}
	}
	return 0;
}
//播放器
void bo(pnode** mp,char* m,pnode* mm)
{
	bmp_s("./bao.bmp",0,0);
	int x2,y2;
	int i=0;
	char mh[1024]={0};
	if(boqi==0)
	{
	system("madplay music/*.mp3 -z &");
	boqi=1;
	}
	*mp=(*mp)->next;
	while(1)
	{
	get_dian(&x2,&y2);
	//播放
	if(x2>236&&x2<316&&y2>400&&y2<473)
	{
	system("killall -CONT madplay &");
	}
	//暂停
	if(x2>707&&x2<792&&y2>400&&y2<476)
	{
	system("killall -STOP madplay &");
	}
	//上一首
	else if(x2>23&&x2<78&&y2>402&&y2<469)
	{
	if((*mp)->to==NULL||(*mp)->to->date=="1")
	{
	printf("已是第一首\n");
	}
	else 
	{
	bzero(mh,sizeof(mh));
	(*mp)=(*mp)->to;
	sprintf(mh,"killall madplay && madplay -z %s &",(*mp)->date);
	system(mh);
	}
	}
	//下一首
	else if(x2>146&&x2<204&&y2>400&&y2<467)
	{
	
	if((*mp)->next==NULL)
	{
	printf("已是最后一首\n");
	}
	else
	{
	system("killall -9 madplay &");
	usleep(10000);
	bzero(mh,sizeof(mh));
	(*mp)=(*mp)->next;
	sprintf(mh,"madplay %s &",(*mp)->date);
	system(mh);
	}
	}
	//加音量
	else if(x2>403&&x2<477&&y2>400&&y2<471)
	{
	vol+=5;
	printf("加音量\n");
	volume1(vol);
	}
	//减音量
	else if(x2>557&&x2<634&&y2>396&&y2<471)
	{
	vol-=5;
	printf("减音量\n");
	volume1(vol);
	}
	//退出音乐界面
	else if(x2>0&&x2<80&&y2>0&&y2<80)
	{
	break;
	}
	//关闭退出
	else if(x2>696&&x2<800&&y2>0&&y2<102)
	{
	boqi=0;
	system("killall -9 madplay &");
	break;
	}
	
	}
}
//自动播放函数
void* zi()
{
	printf("开始自动播放\n");
	char* j;
	int dpan;
	zshi=1;
	if(p->next==NULL)
	{
	printf("已是最后一张\n");
	return NULL;
	}
	while(p->next!=NULL)
	{
	
	if(nao==1)
	{
	bmp_s("./fan.bmp",0,0);
	zshi=0;
	nao=0;
	break;
	}
	sleep(2);
	p=p->next;
	j=strrchr(p->date,'.');
	if(strcmp(j,".bmp")==0)
	{
	printf("打开bmp\n");
	sleep(2);
	if(nao==1)
	{
	zshi=0;
	nao=0;
	break;
	}
	bai();
	bmp_s(p->date,0,0);
	}
	else if(strcmp(j,".jpg")==0)
	{
	sleep(2);
	if(nao==1)
	{
	zshi=0;
	nao=0;
	break;
	}
	bai();
	jpeg_s(p->date);
	}
	}
	printf("退出自动播放\n");
	bmp_s("./fan.bmp",0,0);
	zshi=0;
 
}
//定时器处理函数
void sig()
{
	printf("判定\n");
	if(nao==0&&zshi==0)
	{
	zi();
	}
	else if(nao==1)
	{
	nao=0;
	}
	printf("nao=%d\n",nao);
}
//定时器
void* ding_s()
{	
	printf("定时器生成\n");
	//int ret;
	//dx=pthread_self();
	while(1)
	{
	signal(SIGALRM,sig);
	alarm(5);
	sleep(5);
	}
}
//图片左右滑动切换
int qie(pnode** p)
{	
	bai();
	pthread_t zd;//自动播放线程
	char* jk;
	if((*p)->date=="1")
	*p=(*p)->next;
	jk=strrchr((*p)->date,'.');
	if(strcmp(jk,".bmp")==0)
	{
	bmp_s((*p)->date,0,0);
	bmp_s("./fan.bmp",0,0);
	}
	else
	{
	jpeg_s((*p)->date);
	bmp_s("./fan.bmp",0,0);
	}
	//注册定时器
	pthread_create(&dx,NULL,ding_s,NULL);
	while(1)
	{
	get_xy(&hx1,&hy1,&hx2,&hy2);
	nao=1;
	printf("hx1=%d  hx2=%d  hy1=%d  hy2=%d\n",hx1,hx2,hy1,hy2);
	if(hy1-hy2>=150&&(hx1-hx2>=-30||hx1-hx2<=30))
	{
	nao=0;
	pthread_create(&zd,NULL,zi,NULL);
	//zi(p);
	}
	if(hy1-hy2<=-150)
	{
	break;
	}
	if(hx1>0&&hx1<80&&hy1>0&&hy1<80)
	{
	break;
	}
	if(hx1<hx2)
	{
	
	if((*p)->to==NULL||(*p)->to->date=="1")
	{
	printf("已是第一张图片\n");
	continue;
	}
	printf("上一张\n");
	(*p)=(*p)->to;
	jk=strrchr((*p)->date,'.');
	if(strcmp(jk,".bmp")==0)
	{
	bai();
	bmp_s((*p)->date,0,0);
	bmp_s("./fan.bmp",0,0);
	}
	else 
	{
	bai();
	jpeg_s((*p)->date);
	bmp_s("./fan.bmp",0,0);
	}
	}
	
	
	else if(hx1>hx2)
	{
	if((*p)->next==NULL)
	{
	printf("已是最后一张\n");
	continue;
	}
	printf("下一张\n");
	*p=(*p)->next;
	jk=strrchr((*p)->date,'.');
	if(strcmp(jk,".bmp")==0)
	{
	bai();
	bmp_s((*p)->date,0,0);
	bmp_s("./fan.bmp",0,0);
	}
	else 
	{
	bai();
	jpeg_s((*p)->date);
	bmp_s("./fan.bmp",0,0);
	}
	}
	}
	pthread_cancel(dx);
	return 0;
}
 
int main(int argc,char* argv[])
{
	if(argc<4)
	{
	printf("文件不足\n");
	return -1;
	}
	char* h=argv[1];
	char* m=argv[2];
	char* b_m=argv[3];
	//音乐图片链表
	pnode* bmp_m;
	//pnode* p;
	pnode* mp;
	//音乐链表
	bmp_m=chu();
	mp=chu();
	//图片链表
	p=chu();
	jian_dir(b_m,bmp_m);
	jian_dir(h,p);
	//音乐文件夹
	jian_dir(m,mp);
	bian(p);
	bian(mp);
	bian(bmp_m);
	fd=open("/dev/fb0",O_RDWR);
	if(fd==-1)
	{
	printf("打开屏幕失败\n");
	return -1;
	}
	f=open("/dev/event0",O_RDWR);
	if(f==-1)
	{
	printf("打开触摸屏失败\n");
	return -1;
	}
	int zx,zy;
	//多功能
	while(1)
	{
	bmp_s("./zhu.bmp",0,0);
	get_dian(&zx,&zy);
	
	//相册
	if(zx>140&&zx<237&&zy>300&&zy<400)
	{
	qie(&p);
	}
	//音乐器
	if(zx>557&&zx<653&&zy>314&&zy<402)
	{
	bo(&mp,m,bmp_m);
	}
	}
	return 0;
}